TY  - BOOK
AU  - Wallis,J.A.Nicholas
TI  - Intensified systems of farming in the tropics and subtropics
T2  - World Bank discussion paper
SN  - 0821339443
AV  - S481 .W35 1997
PY  - 1997///
CY  - Washington, DC.
PB  - International Bank for Reconstruction and Development
KW  - Agricultural systems
KW  - Dry farming
N1  - Bibliography : p. 167-194
ER  -